The Championnat International des Jeux Mathématiques et Logiques (lit.
[1][2] This competition was created in 1987 and was called Championnat de France des jeux mathématiques et logiques (French competition for mathematical and logical games) at that time.
It became Championnat International des Jeux Mathématiques et Logiques at its fourth edition (1990), but was still in French.
Since its beginning, this competition is organized by the French federation Fédération Française des Jeux Mathématiques (FFJM).
However, the 34th edition was eventually canceled due to the COVID-19 pandemic and replaced by an online competition "for the pleasure".